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The fineness of a precious metal refers to the ratio by weight of the primary metal to any added ... Millesimal fineness is a system of denoting the purity of platinum, gold and silver alloys by par...

Meaning of gold hallmarks & stamps 18K 14K 10K 9K 9CT | eBay


8K, 8ct or 333 (parts per 1000) or is 33.3% gold (usually European. Not recognized in USA. The lowest possible standard. Will tarnish sometimes); 9K, 9ct or 375 ...

Gold and Hallmarks: How to Tell if Gold is Genuine - HubPages


Oct 3, 2012 ... Short of bringing an item you suspect of being genuine gold to a ... metals, for gold, these numbers range from 333 to 999 and each hallmark is ...

750, 585, 417 Gold Jewelry Markings and What They Mean | Bellatory


May 30, 2015 ... 333. 8K Gold. 375. 9K Gold. 416 or 417. 10K Gold. 500. 12K Gold ... Other Gold and Silver Markings and Stamps: Hallmarks and Maker Marks.

What is 333 hallmark on gold - Answers.com


333 parts of 1000. It means the gold content is one third of the total content.

How to Identify Gold Jewelry by Number Marks | LEAFtv


Look for numbers in the hundreds, such as “333,” which is 8k or about 33 percent ... Look for other hallmarks or stamps that indicate plated gold, such as “HGE,” ...

What does the stamp 333 on a gold necklace mean? - Quora


Jan 21, 2016 ... It is 8 Karat gold. (8/24 = .333). In comparison 14 Karat gold can be stamped 585, and 18 karat gold can be stamped 750).



A hallmark is a mark or number of marks, made on gold, silver or platinum jewellery or plate to ... Fineness ranges from 333/1000 to 999/1000 (8-24 carat).

Basic Hallmarks Identification - Modern Silver Magazine


If you can learn to recognize the French marks for gold, silver and platinum, you ... e.g., 800, 830, 900, 935, etc. for silver, 333, 500, 585, 750, 875, etc. for gold.

What you need to know about jewelry hallmarks | the jewelry loupe


May 6, 2010 ... Buying antique or vintage jewelry means first figuring out what it is, where and when it was made, and by whom. That's why the first thing an ...

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Guide to Stamps and Inscriptions on Gold Jewelry


333, 8 carat; minimum standard for gold in Germany after 1884. Hallmarks. Beyond just telling you the karat purity of the piece, the jewelry stamp will often have ...

Hallmarks and other stamps - Edelmetall Service


333/8ct. 33,3 %. Other components are mostly copper, silver, nickel. Depending on the respective percentages, yellow gold, red gold or white gold is formed.

Gold hallmark to karats (hallmark to kt) and kt to hallmark (karats to ...


gold hallmark to karats Conversion Chart / Table: karats to gold hallmarks Conversion Chart / Table: hallmark = kt 250 = 6 333 = 8 375 = 9 417 = 10 500 = 12